Rf hotel door lock 1. The rotating handle effectively prevents exterior pressure to damage it, European style is employed for design of the panel, with unique three-dimensional appearance. 2. The material faceplate is Magnesium- Aluminium alloy. 3. Finished: Na-meter Technology 4. Five latches mortise for ANSI standard, Power by 4 standard AA alkanline batteries. 5. Cylinder Finished: Electrophoresis Paint from Japan. 6. Temic card Hotel Door Lock adopted contactless RF card from ATMEL Technology 7. The PCB is adopted PHILIPS company Technology 8. Hierarchical door opening management: level I: supervisor card (to unlock all doors); level II: building level supervisor card (to unlock all doors of the building); level III: attendant card (able to unlock the doors of storey I, with time restriction); level IV: guest card (to unlock one door, with time restriction). 9. High confidentiality: to authorize password on its own. 10. Locking function: when a door is locked, the green indicator light will be lit when the supervisor card, emergency card and building supervisor card are used, there will be a click, and then the door can be unlocked. But, when attendant card and guest card are used, the red light will be lit, and the door cannot be unlocked. 11. Pass function: the emergency card can be used to unlock the door, so that the lock can be in the solid on status. 12. when the door remains open, the door lock will be in a pseudo locked status, then alarm signals will be given, reminding the attendant and the guest to close the door, and prevent burglars from entering the room. 13. The most recent 240 times of door unlocking are recorded in the memory of the lock, including intelligent induction card and mechanical key, and unlocking records can be extracted+f and read at any time. 14. Emergency unlocking: when there is power outage or anything wrong with the circuit board, mechanical key can be used to unlock the door, and technical unlocking will the prevented (namely, to prevent the skeleton key to unlock the door). 15. Suite room function: applicable to room in room, for example, presidential suite and research institute. 16. Power saving and durable: reasonable circuit design, and the microcomputer will be in the dormant status when it does not work. 17. Smart outlook: t+fhe rotating handle effectively prevents exterior pressure to damage it, European style is employed for design of the panel, with unique three-dimensional appearance. 18. Termination function: the attendant card can be used to terminate the use of the guest card. 19. Convenient loss report: when a certain kind of card is lost, the card modification password can be used to bar the lost card from being used. 8pcs/CTN 18KG/CTN